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A068592 Number of different Euler multigraphs with n edges, loops forbidden. 0
0, 1, 1, 4, 4, 15, 22, 68, 131, 376, 892, 2627, 7217, 22349, 67271, 229553 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
REFERENCES
Huaien Li and David C. Torney, Enumerations of Multigraphs, 2002.
LINKS
Benjamin Stringer, Matrix Interpretations and Tools for Investigating Even Functionals, Master's Thesis, Univ. Of Kentucky, Theses and Dissertations-Computer Science (2022) 118.
CROSSREFS
Sequence in context: A117187 A138767 A048282 * A198313 A219350 A222511
KEYWORD
nonn,more
AUTHOR
Huaien Li and David C. Torney (huaien_li(AT)hotmail.com), Mar 27 2002
STATUS
approved

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Last modified June 15 16:13 EDT 2024. Contains 373407 sequences. (Running on oeis4.)